Chapter Set-up Procedures: SMP PLUS
Controller without Options
3
3-5
This starting mode is used when it is necessary to limit the maximum starting
current. This can be adjusted for 50 to 500% of full load amperes as shown in
Figure 3.6.
Figure 3.6 - Current Limit
500
Time (seconds)
Percent
Full
Load
Amps
Start
50
Refer to Figure 3.7.
1. Starting Time – Set switches 7–9 according to the time desired. For example,
if you want current limit active for 30 seconds, switches 6 and 9 would be ON
and switches 7 and 8 would be OFF
2. Kickstart Time – Set Kickstart Time rotary digital switch to OFF
3. Current Limit/Soft Start – Switch 6 must be ON in the current limit mode.
Set Current Limit rotary digital switch accordingly. For example, if you want
to restrict the starting current to 300% of full load amperes, set rotary switch to
position 5
4. Energy Saver Select – Set switch 5 ON if you want the energy saver feature
(or OFF if you do not want this feature active)
5. Auxiliary Contact Select – Set switch 4 OFF if you want “normal” auxiliary
contacts, ON if you want “up-to-speed” auxiliary contacts
6. Stall Select – Set switch 3 ON if you want the stall feature (or OFF if you do
not want this feature active)
NOTE: For resistive load operation, switch 3 and 5 must be OFF
Figure 3.7 - Set-up Procedure for Current Limit (without Options)
Switch
TIME (seconds)
Number
15 30
9 Off ON
8 Off
7 Off
6 ON
5 ENERGY SAVER SELECT
4 AUXILIARY CONTACT SELECT
3 STALL SELECT
2 NOT USED
1 NOT USED
Current Limit
Position 0 1 2 3 4 5 6 7 8 9
% of Full Load Current 50 100 150 200 250 300 350 400 450 500
Kickstart Time
Position 0 1 2 3 4 5 6 7 8 9
Time (Sec.) Off 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Soft Start Selection
without Options
Current Limit Start
Selection without
Options
EXAMPLE: DIP switch is set
for 30 second current limit time
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